There are a number of books on a shelf. If one book is the 4th from the left and 6th from the right, how many books are on the shelf?

The person who makes it has no need for it. He who purchases it does not use it. The person who does use it does not know they are. What is it?

What does this rebus mean?

O
N
C
E
TIME

P is the father of Q and S is the son of R. T is the brother of P and has a daughter U. If R is the sister of P, then what is the relation between U, Q and S?

A man was just doing his job when his suit was torn. Why did he die three minutes later?

A famous swimmer can swim downstream in a lake in exactly 40 minutes with the lake current.
He can swim upstream in that lake in exactly 60 minutes against the lake current.
The length of the lake is 2 km.

How long he can cover the distance of one side at a still lake with no current?

During which month do people sleep the least?

Decode this picture on T-Shirt and tell what it says ?

If you were to put a coin into an empty bottle and then insert a cork into the neck, how could you remove the coin without taking out the cork or breaking the bottle?

Why do Chinese men eat more rice than Japanese men do ?